HOSE AS 9W9978 - Caterpillar

9W9978 HOSE AS Caterpillar parts D10N, D10R, D10T, D10T2

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Alternative (cross code) number:
CA9W9978
9W-9978
9W9978

Weight: 15 pounds 7 kg.

Buy HOSE AS 9W9978 Caterpillar genuine, new aftermarket tractor parts with delivery
TRACK-TYPE TRACTOR,

Compatible equipment models: 9W9978:

TRACK-TYPE TRACTOR D10N D10R D10T D10T2 Caterpillar

Number on catalog scheme: 4

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Ensure that this procedure is carried out before the rocker shaft is removed.
Table 1
Required Tools
Tool Part Number Part Description Qty
A(1) 9U-6198 Crankshaft Turning Tool 1
A(2) 5P-7306 Housing 1
5P-7305 Engine Turning Tool 1
(1) The Crankshaft Turning Tool is used on the front pulley.
(2) This Tool is used in the aperture for the electric starting motor.
Illustration 1 g01335181
Cylinder and valve location
(A) Exhaust valve
(B) Inlet valve
Remove the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install" for the correct procedure.
Remove the glow plugs. Refer to Disassembly and Assembly, "Glow Plugs - Remove and Install" for the correct procedure.
Illustration 2 g02333215
Typical example
One electronic unit injector is not shown for clarity.
Select an exhaust rocker arm (1). The exhaust rocker arm (1) can be on any cylinder.
Use Tooling (A) to rotate the crankshaft in the normal direction of rotation until the hydraulic lifter starts to open the exhaust valve. Continue to rotate the crankshaft until the valve has opened to the maximum extent. This is the safe position. Note: Make temporary marks on the front pulley and the front housing once the engine is in the safe position.
Ensure that the crankshaft is located in the safe position before the rocker shaft assembly is installed.